/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraParameterCollection.h
Takes the friendly name presented to the UI and converts to the real parameter name used under the hood. Converts from "ParameterName" to "CollectionUniqueName_ParameterName".
[FString](API\Runtime\Core\Containers\FString) ParameterNameFromFriendlyName ( const [FString](API\Runtime\Core\Containers\FString) & FriendlyName ) const